51381865

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 62539776

約数和(自身を除く): 11157911

約数列:

[1, 5, 173, 191, 311, 865, 955, 1555, 33043, 53803, 59401, 165215, 269015, 297005, 10276373, 51381865]

約数ペア:

[(1, 51381865), (5, 10276373), (173, 297005), (191, 269015), (311, 165215), (865, 59401), (955, 53803), (1555, 33043)]